Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Keil/AT32F413xx_v2/IOMUX/EXINTC2#0x0
External interrupt configuration register 2
Configure EXINT4 source
Configure EXINT5 source
Configure EXINT6 source
Configure EXINT7 source
https://github.com/cmsis-svd/cmsis-svd-data